Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 84/70 from 5/20

1st number: 5/20, 2nd number: 1 14/70

5/20 - 84/70 is -19/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    5/20 = 5 × 7/20 × 7 = 35/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    84/70 = 84 × 2/70 × 2 = 168/140
  4. Subtract the two like fractions:
    35/140 - 168/140 = 35 - 168/140 = -133/140
  5. After reducing the fraction, the answer is -19/20

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com